package com.atguigu.guli.service.edu.controller.admin;


import com.atguigu.guli.service.base.result.R;
import com.atguigu.guli.service.edu.entity.form.CourseInfoForm;
import com.atguigu.guli.service.edu.entity.query.CourseQuery;
import com.atguigu.guli.service.edu.entity.vo.CoursePublishVo;
import com.atguigu.guli.service.edu.entity.vo.CourseVo;
import com.atguigu.guli.service.edu.service.CourseService;
import com.atguigu.guli.service.edu.service.VideoService;
import com.baomidou.mybatisplus.core.metadata.IPage;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//@CrossOrigin // 跨域
@Api(tags = "课程管理")
@RestController
@RequestMapping("/admin/edu/course")
@Slf4j
public class CourseController {


    @Autowired
    private CourseService courseService;

    @Autowired
    private VideoService videoService;

    @ApiOperation("新增课程")
    @PostMapping("save-course-info")
    public R saveCourseInfo(
            @ApiParam(value = "课程基本信息", required = true)
            @RequestBody CourseInfoForm courseInfoForm
            ){

        String courseId = courseService.saveCourseInfo(courseInfoForm);
        return R.ok().data("courseId", courseId);

    }
    @ApiOperation("根据ID查询课程")
    @GetMapping("course-info/{id}")
    public R getById(
        @ApiParam(value = "课程ID", required = true)
        @PathVariable String id){

       CourseInfoForm courseInfoForm = courseService.getCourseInfoById(id);
        if (courseInfoForm != null){
            return R.ok().data("item", courseInfoForm);
        }else {
            return R.error().message("数据不存在");

        }
    }

    @ApiOperation("更新课程")
    @PutMapping("update-course-info")
    public R updateCourseInfoById(
            @ApiParam(value = "课程基本信息", required = true)
            @RequestBody CourseInfoForm courseInfoForm){

        courseService.updateCourseInfoById(courseInfoForm);
        return R.ok().message("修改成功");

    }

    @ApiOperation("分页课程列表")
    @GetMapping("list/{page}/{limit}")
    public R list(
            @ApiParam(value = "当前页码", required = true)
            @PathVariable Long page,

            @ApiParam(value = "每页记录数", required = true)
            @PathVariable Long limit,

            @ApiParam(value = "查询对象")
                    CourseQuery courseQuery){

        IPage<CourseVo> pageModel = courseService.selectPage(page, limit, courseQuery);
        List<CourseVo> records = pageModel.getRecords();
        long total = pageModel.getTotal();
        return  R.ok().data("total", total).data("rows", records);
    }

    @ApiOperation("根据ID删除课程")
    @DeleteMapping("remove/{id}")
    public R removeById(
            @ApiParam(value = "课程ID",required = true)
            @PathVariable String id) {

        //删除视频：VOD
        //在此处调用Vod中的删除视频文件的接口
        //删除视频：VOD
        videoService.removeMediaVideoByCourseId(id);

        //删除封面：OSS
        boolean result = courseService.removeCoverById(id);
        if (!result) {
//            log.warn("删除课程封面失败,课程id：" + id);
        }
        //删除课程
        boolean b = courseService.removeCourseById(id);
        if (b) {
            return R.ok().message("删除成功");
        } else {
            return R.error().message("删除失败");
        }
    }

    @ApiOperation("根据ID获取课程发布信息")
    @GetMapping("course-publish/{id}")
    public R getCoursePublishVoById(
            @ApiParam(value = "课程ID",required = true)
            @PathVariable String id){
      CoursePublishVo coursePublishVo = courseService.getCoursePublishVoById(id);

      if (coursePublishVo != null){
          return R.ok().data("item",coursePublishVo);
      }else {
          return R.error().message("数据不存在");
      }
    }

    @ApiOperation("根据id发布课程")
    @PutMapping("publish-course/{id}")
    public R publishCourseById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id){

        boolean result = courseService.publishCourseById(id);
        if (result) {
            return R.ok().message("发布成功");
        } else {
            return R.error().message("数据不存在");
        }
    }
}

